Toshiba P29-01

Critical

SMMS / SMMS-e — Compressor position detection circuit fault.

Toshiba P29-01: Compressor position detection circuit fault. This fault typically halts operation and needs immediate attention.

Possible causes

Inverter PCB position detection faulty.

Check steps

Replace inverter PCB / check compressor winding.

Affected parts

Inverter-PCB
Verdichter

Safety note

High voltage! Let capacitors discharge.

Source: Toshiba resmi servis kılavuzu — Confirmed verbatim on PDF page 8: 'P29 Compressor position detection circuit error'. No -01 suffix documented (base code only).

Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.

Look up in Enthalio →

Related fault codes

Outdoor unit high pressure fault.P04 Discharge temperature high (TD1 > 115°C)P03 Outdoor fan IPDU (driver) errorP22 4-way valve errorP19 Compressor error (position detection)P29 No communication to indoor unitE06